Victor HS54637A Head Gasket Set Volvo D12A D12B D12C D12D OE# 20710242

The Victor HS54637A is a heavy-duty cylinder head gasket set engineered for the Volvo D12 series diesel engine family, including the D12A (ESN 11421 and up), D12B, D12C, and D12D. Designed to deliver OE-equivalent sealing performance, this head set restores the integrity of the upper engine and protects against combustion gas, coolant, and oil leaks under extreme thermal and pressure conditions.

Victor Reinz head gaskets are manufactured to meet or exceed original equipment specifications, providing reliable sealing across the full range of operating conditions found in heavy-duty commercial diesel applications. The gasket set provides comprehensive coverage of the cylinder head sealing surfaces to simplify the overhaul process.

Key Features:

• Engineered specifically for the Volvo D12 12.1L heavy-duty diesel engine series
• OE-proven sealing performance — resists extreme temperatures and high-combustion pressures
• Protects against fuel, oil, coolant, and antifreeze leaks
• Meets or exceeds original equipment specifications
• Complete head set includes all gaskets and seals required to service the upper engine

OE & Cross-Reference Part Numbers:

• Volvo OE#: 20710242
• MAHLE: HS54637A
• Victor Reinz: 02-36260-01
• GLASER: D36284-00
• AJUSA: 50372300

This head gasket set is an essential component for any Volvo D12 cylinder head rebuild or engine overhaul, delivering the confidence of OEM-quality engineering in an aftermarket replacement.